Baseline characteristics of participants with percentages in brackets.

There were no significant differences between groups.IBD = Inflammatory bowel disease, COPD = Chronic obstructive pulmonary disease.各组之间无显著差异。其中IBD指炎症性肠病（Inflammatory bowel disease），COPD指慢性阻塞性肺疾病（Chronic obstructive pulmonary disease）。